Take 40% to a decimal and times it by 28 you should get 11.
Answer:
Step-by-step explanation:
Let C(x) be the cost to produce x batches of widgets, and let R(x) be the revenue in thousands of dollars.

Profit function = Revenue - cost
So we get profit function by subtracting C(x) from R(x) using algebraic method of subtraction.
Profit function of x
= 
Answer:
Step-by-step explanation:
3 hope this helps :))
Answer:
they saved the same amount of money each month
Step-by-step explanation:
Answer:
22.50
- 15.00
_______
7.50
Step-by-step explanation:
She still owes $7.50